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© 2016 by Snow Joe

®

, LLC

All rights reserved. Original instructions.

A Division of Snow Joe

®

, LLC

Model MJ408E

Form No. SJ-MJ408E-880E-M

OPERATOR’S MANUAL

SAVE THESE INSTRUCTIONS

20-INCH 12-AMP ELECTRIC 
LAWN MOWER

IMPORTANT!

Safety Instructions
All Operators Must Read These 

Instructions Before Use

Always follow these safety guidelines. Failure to do so may 

result in serious bodily injury or death.

General Safety WARNINGS!

When using this electric lawn mower, basic safety precautions 

should always be followed to reduce the risk of fire, electric 

shock, and personal injury. These precautions include:

m

WARNING! 

Do not operate without the entire grass 

collection bag, discharge guard, rear flap, or other safety 

protective devices in place and in proper working order.

m

WARNING! 

The use of any other accessory or 

attachment might increase the risk of injury.

m

WARNING! 

To reduce the risk of injury, inspect the 

grass collection bag frequently and replace with recommended 

replacement if there are signs of wear or deterioration.
Before using the lawn mower, take the time to familiarize 

yourself with the controls, especially how to stop the lawn 

mower in an emergency. The only individuals who should use 

the lawn mower are those who have a thorough understanding 

of the instructions and who know how to operate the machine. 

Children should never be allowed access to the lawn mower.
Retain this manual for future reference and reread it at the start 

of each mowing season.

m

WARNING!

 Some dust and debris created by the 

use of the tool could contain chemicals known to the State 

of California to cause cancer and birth defects or other 

reproductive harm. Some examples of these chemicals are:

•  Chemicals in fertilizers
•  Compounds in insecticides, herbicides, and pesticides
•  Arsenic and chromium from chemically treated lumber

Your risk from exposure to these chemicals varies, and 

depends on how often you do this type of work. To reduce 

your exposure, work in a well-ventilated area and with 

approved safety equipment, such as dust masks that are 

specially designed to filter out microscopic particles.

FOR DOUBLE-INSULATED  

LAWN MOWERS

1.  Replacement parts – When servicing this unit, use only 

identical replacement parts. Replace or repair damaged 

cords immediately.

2.  Polarized plug – Polarized appliance connections reduce 

the risk of electric shock. This lawn mower has a polarized 

plug (one blade is wider than the other) and will require the 

use of a polarized extension cord. There is only one way 

the lawn mower’s plug will fit into a polarized extension 

cord. If the plug does not fit fully into the extension cord, 

reverse the plug. If the plug still does not fit, obtain a 

correct polarized extension cord. A polarized extension 

cord will require the use of a polarized wall outlet. There 

is only one way the plug will fit into a polarized wall 

outlet. If the plug does not fit fully into the wall outlet, 

reverse the plug. If the plug still does not fit, contact a 

qualified electrician to install the proper wall outlet. Do not 

change the equipment plug, extension cord receptacle, or 

extension cord plug in any way.

m

WARNING! 

Contact with moving parts may cause 

entanglement, dismemberment, or other serious bodily 

injury. Always keep body parts (i.e. hands, feet) a safe 

distance away from moving parts. Ensure all covers and 

guards are securely in place before use.

Hot surfaces (i.e. the motor) may ignite flammable or 

combustible items and cause a fire or explosion, which 

can result in serious bodily injury. Keep the lawn mower a 

safe distance away from flammable or combustible items 

until surfaces that are hot have completely cooled. Do 

not store the lawn mower near flammable or combustible 

items.

A damaged blade or worn blade nut may break off the lawn 

mower assembly and cause serious injury. Replace the 

damaged blade or blade nut before using the lawn mower.

FOR ALL LAWN MOWERS

1.  Avoid dangerous conditions – Do not use the lawn 

mower in the rain or when the grass is damp or wet.

2.  Keep children, bystanders, and pets away – Always 

keep children and spectators a safe distance away from 

the lawn mower during operation and as the machine 

cools.

3.  Dress properly – Always wear personal safety gear  

(i.e. glasses, rubber gloves, protective footwear, and dust 

masks) and proper clothing when using the lawn mower. 

Loose clothing, long hair, or jewelry may get caught in the 

moving parts. Wear a protective covering to contain long 

hair.

1

Summary of Contents for MJ408E

Page 1: ...ATED LAWN MOWERS 1 Replacement parts When servicing this unit use only identical replacement parts Replace or repair damaged cords immediately 2 Polarized plug Polarized appliance connections reduce the risk of electric shock This lawn mower has a polarized plug one blade is wider than the other and will require the use of a polarized extension cord There is only one way the lawn mower s plug will...

Page 2: ...ertified in Canada extension cord recommended for outdoor use The appliance plug will fit into a polarized extension cord only one way If the appliance plug does not fit fully into the extension cord reverse the plug If the plug still does not fit obtain a correct polarized extension cord A polarized extension cord will require the use of a polarized wall outlet The extension cord plug will fit in...

Page 3: ...bstantial footwear Always look down and behind before and while moving backward with the lawn mower Never direct discharged material toward anyone Avoid discharging material against a wall or other obstruction Never leave a running machine unattended Stop the engine motor and wait until the blade comes to a complete stop before cleaning the machine removing the grass collection bag changing access...

Page 4: ... or other objects that may block your view of a child Service Keep all nuts and bolts tight Never tamper with safety devices Regularly check to ensure these devices are in place and in proper working order Keep the lawn mower free from grass leaves or other debris buildup Never make any adjustments or repairs with the engine motor running Always unplug electric lawn mowers before adjusting cleanin...

Page 5: ...ry mower blade Thrown objects and rotating blade can cause severe injury Wear eye and hearing protection For protection against injury wear ear defenders and safety goggles Keep bystanders and children a safe distance away CPSC danger label Symbols Symbols Descriptions Descriptions Blades continue to rotate after machine is switched off Disconnect the mains plug if the cord is damaged or entangled...

Page 6: ...nce cord 5 Upper handle knobs and bolts 2 6 Lower handle 7 Cable clip 2 8 Grass collection bag 9 Ejector flap 10 Cutting height adjustment lever 11 Lower handle knobs 2 12 Rear wheels 13 Side discharge door 14 Front wheels 15 Side discharge chute 16 Mulching plug Technical Data Rated Voltage 120 V 60 Hz Power 12 A No Load Speed 3 400 rpm Rotor Solid steel Cutting Width 20 in 50 cm Cutting Height 1...

Page 7: ...t toys Do not let children play with plastic bags foils or small parts These items can be swallowed and pose a suffocation risk Assembly mWARNING Do not connect to the power supply until assembly is complete Failure to comply could result in accidental starting and serious personal injury mWARNING Never operate the mower without the proper devices in place Never operate the mower with damaged safe...

Page 8: ...ook the grass collection bag s rod end on the small gaps Fig 6 Side Discharge Chute Assembly Fitting Use the side discharge chute on your mower when the grass is too tall to mulch or when side discharging is preferred The grass clippings produced by the side discharge chute are noticeably larger by those produced by the mulching plug NOTE When using the side discharge chute do not assemble the gra...

Page 9: ...ALWAYS FOLLOW ALL SAFETY PRECAUTIONS AND RECOMMENDATIONS LISTED PREVIOUSLY IN THIS MANUAL 1 Power off and unplug the lawn mower 2 Push the cutting height adjustment lever to the outside of the original slot Fig 9 3 Insert the lever into the desired slot 7 Position Height Adjustment 1 1 96 in 50 mm 2 2 32 in 59 mm 3 2 68 in 68 mm 4 2 99 in 76 mm 5 3 35 in 85 mm 6 3 74 in 95 mm 7 4 13 in 105 mm 4 Re...

Page 10: ...ll reduce the risk of lawn damage during start up Fig 11 5 To start the lawn mower press and hold the safety lock button while pulling the switch bar lever toward you Once the machine powers on release the safety lock button Fig 12 6 Let the motor get up to speed gently lowering the lawn mower down into the cutting position and start mowing Fig 13 7 To stop the lawn mower release the switch bar le...

Page 11: ...disconnect the power cord Thoroughly inspect the lawn mower for any damage Repair any damage before operating the lawn mower Maintenance mWARNING Before cleaning repairing or inspecting the lawn mower disconnect the power supply to the unit and verify that all moving parts have come to a complete stop General Always keep the lawn mower clean and free of grass dirt or other debris Keep the handles ...

Page 12: ...nowjoe com or to order by phone contact Snow Joe Sun Joe customer service at 1 866 SNOWJOE 1 866 766 9563 The use of parts that do not meet the original equipment specifications may lead to improper performance of the lawn mower may compromise operator safety and will void the manufacturer s warranty 1 Disconnect the electrical supply to the lawn mower and wait until the blade comes to a complete ...

Page 13: ...l or stains Replace the extension cord immediately if it is cut or damaged in any way 6 Wind the cord in a series of equal loops to prevent it from tangling 7 Do not cover the lawn mower with a solid plastic sheet Plastic coverings trap moisture around the lawn mower which can damage the unit Service Support If your Sun Joe MJ408E electric lawn mower requires service or maintenance please call the...

Page 14: ...ctrical brake could still be engaged Check mains extension cord and circuit breaker fuse Clean discharge channel housing Start lawn mower on short grass or in a previously mowed area and tilt back Correct the cutting height Check that you are using a suitable extension cord of proper gauge and length see Extension Cord Chart pg 2 Power source e g generator has too low voltage Air vents are blocked...

Page 15: ...e injury or mechanical damage Model Accessories Item 1 2 3 Snow Joe Sun Joe Power Joe SJTW A 14 gauge 50 foot extension cord with lighted end PJEXT50 B 20 Inch 50 cm mower blade 14 5 gal 55 l grass collection bag MJ408E 74 MJ408E BAG R Side discharge chute for MJ408E MJ408E 39 4 Mulching plug for MJ408E MJ408E 37 5 NOTE Accessories are subject to change without any obligation on the part of Snow J...

Page 16: ...NOTES 16 ...

Page 17: ...NOTES 17 ...

Page 18: ...NOTES 18 ...

Page 19: ...is intended to cover product defects only Snow Joe LLC is not liable for indirect incidental or consequential damages in connection with the use or misuse of the Snow Joe Sun Joe products covered by this warranty This warranty does not cover any cost or expense incurred by the purchaser in providing substitute equipment or service during reasonable periods of malfunction or non use of this product...

Page 20: ...snowjoe com ...

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